1613457659 has 24 divisors (see below), whose sum is σ = 1902431232. Its totient is φ = 1354448480.

The previous prime is 1613457623. The next prime is 1613457673. The reversal of 1613457659 is 9567543161.

It is a de Polignac number, because none of the positive numbers 2^k-1613457659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613427659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208982 + ... + 216564.

It is an arithmetic number, because the mean of its divisors is an integer number (79267968).

Almost surely, 2^1613457659 is an apocalyptic number.

1613457659 is a deficient number, since it is larger than the sum of its proper divisors (288973573).

1613457659 is a wasteful number, since it uses less digits than its factorization.

1613457659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7675 (or 7646 counting only the distinct ones).

The product of its digits is 680400, while the sum is 47.

The square root of 1613457659 is about 40167.8684896274. The cubic root of 1613457659 is about 1172.8771469773.

The spelling of 1613457659 in words is "one billion, six hundred thirteen million, four hundred fifty-seven thousand, six hundred fifty-nine".